It isn't hard to imagine the world full of dinosaurs, even though these extinct animals haven't walked the earth for millions of years. Learn all about dinosaurs, including early dinosaur discoveries, dinosaur fossils, and dinosaur extinction.

Euoplocephalus lived at the same time and in the same areas as Edmontonia. Euoplocephalus roamed the forests cropping low plants with its broad beak. It probably ate any type of plant it came across. Learn about Euoplocephalus, Late Cretaceous dinosaurs and dinosaurs of all eras.

Aralosaurus is from Kazakhstan in the Soviet Union. It is known only from a nearly complete skull that is missing the front of the snout and all of the lower jaw, but no skeleton. Learn more about this Late Cretaceous duckbilled dinosaur.

This ankylosaur is known from two species. Tarchia giganteus is known from a complete skull and a partial skeleton. But, except for the skull, little of the material has been described. Learn more about the Tarchia and other Late Cretaceous dinosaurs.